Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/17213
COMPARTIR / EXPORTAR:
SHARE CORE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Título: | Estimation of hydraulic conductance within field-grown apricot using sap flow |
Autor: | Alarcón Cabañero, Juan José CSIC ORCID; Domingo Miguel, Rafael; Green, S. R.; Nicolás Nicolás, Emilio CSIC ORCID; Torrecillas Melendreras, Arturo CSIC ORCID | Palabras clave: | Apricot Hydraulic conductance Leaf water potential Sap flow |
Fecha de publicación: | 29-oct-2004 | Editor: | Springer Nature | Citación: | Plant and Soil 251(1): 125-135(2004) | Resumen: | Using the heat pulse and other techniques, the hydraulic architecture of apricot trees was mapped out. The flows (overall flow, flow across the four main branches) and forces (water potential differences between xylem and leaves) measured allowed us to quantify hydraulic conductance of branches and of the root/soil resistance. The experiment was carried out in a commercial orchard of 11-year-old apricot trees (Prunus armeniaca L., cv. Búlida, on Real Fino apricot rootstock) during 1 week (October 27–November 3, 1998). Three representative trees with a cylindrical trunk divided into four main branches of different sizes, orientation and local microclimate were chosen for the experiment. Sap flow was measured throughout the experimental period. Twelve sets of heat-pulse probes were used, one for each main branch. The diurnal course of the environmental conditions, the fraction of the area irradiated and leaf water relations were also considered in each main branch. The relationships between leaf water potential, xylem water potential and transpiration were established for different branches and also for the total plant. Using the slopes of these regressions, total plant conductance, the hydraulic conductance of the stem and root pathway, the hydraulic conductance of the canopy and the hydraulic conductance of each branch were estimated. Our findings show that the root conductance and the canopy hydraulic conductance are similar in magnitude. Leaf hydraulic conductance per leaf area unit was similar for each of the four branch orientations, indicating that, while the light microclimate has a dominant influence on transpiration, in this case it had little effect on the hydraulic properties of the canopy. | Versión del editor: | http://dx.doi.org/10.1023/A:1022976110768 | URI: | http://hdl.handle.net/10261/17213 | DOI: | 10.1023/A:1022976110768 | ISSN: | 0032-079X | E-ISSN: | 1573-5036 |
Aparece en las colecciones: | (CEBAS) Artículos |
Mostrar el registro completo
CORE Recommender
SCOPUSTM
Citations
37
checked on 21-abr-2024
WEB OF SCIENCETM
Citations
35
checked on 28-feb-2024
Page view(s)
338
checked on 24-abr-2024
Google ScholarTM
Check
Altmetric
Altmetric
NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.